The Twitter account associated with Paul staffer Moira Bagley, @moirabagley, tweeted around 10 a.m., ET, “Just got a call from @senrandpaul. He’s currently being detained by TSA in Nashville.”

A TSA spokesman disputed that Paul was ever “detained.” But he was not granted access to the secure area of the airport. The TSA version of events is that Paul was not detained, but triggered an alarm during routine airport screening and refused to complete the screening process (pat-down) in order to resolve the issue. Paul was escorted out of the screening area by local law enforcement.

“When an irregularity is found during the TSA screening process, it must be resolved prior to allowing a passenger to proceed to the secure area of the airport,” according to an official statement released by TSA. “Passengers who refuse to complete the screening process cannot be granted access to the secure area in order to ensure the safety of others traveling.”

Paul’s office confirmed he set off an airport security full-body scanner “on a glitch,” according to a spokesman. The Paul staffer said TSA agents would not let Paul walk back through the body scanner and were demanding a full body pat-down.

The Paul spokesman said his office called TSA administrator John Pistole about the incident.

The issue of pat-downs has been an important one to Paul, the son of libertarian-leaning Republican presidential candidate Ron Paul, who is extremely critical of the procedures. Sen. Paul brought this issue up at a hearing earlier this year.